Question

why are some elements and medicines ar stored in coloued bottles

Answer 1

Some elements and medicines are kept in dark coloured bottles. this is because some liquid medicines can react to the light but when they are kept in coloured bottles these help to prevent the medicines to come in contact with the light.

Answer 2

Explanation:

this is because a some medicines are composed of compounds which may decompose on exposure to light , whereas coloured bottles turns sunlight to diffused format which causes lesser decompostion over time